Microsoft's Excel program, widely used in business, comes with many built-in functions that perform mathematical and logical operations on spreadsheet data. In Excel, functions are simple formulas you ...

Launch Excel Enter data or use existing data. Enter a formula into the cell Press Enter. See result. Launch Microsoft Excel. Enter your data or use an existing data Type into the cell where you want ...

The TAN function is a Math and Trigonometry function, and its purpose is to return a tangent of a number or angle. In this post, we show you how to use the TAN function in Microsoft Excel. In ...